# 设定源文件文件夹
aux_source_directory(lib TRILIB_SRC)
# 设置编译选项
set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -O3")
set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -O3")


# 以下部分为库的编译
# 注意目标名必须唯一 所以不能直接生成相同名称的动态库与静态库
# 注意此处不必为目标名称添加lib前缀和相应后缀，cmake会自行添加
add_library(trilib SHARED ${TRILIB_SRC})
# 首先添加静态库的生成命令
add_library(trilib_static STATIC ${TRILIB_SRC})
# 设置编译选项 将源代码编译为动态与静态库
# 设置静态库的输出名称从而获得与动态库名称相同的静态库
set_target_properties(trilib PROPERTIES OUTPUT_NAME "triangle")
set_target_properties(trilib_static PROPERTIES OUTPUT_NAME "triangle")
# 设置库的编译选项
set_target_properties(trilib PROPERTIES COMPILE_DEFINITIONS "TRILIBRARY")
set_target_properties(trilib_static PROPERTIES COMPILE_DEFINITIONS "TRILIBRARY")
# 设置输出目标属性以同时输出动态库与静态库
set_target_properties(trilib PROPERTIES CLEAN_DIRECT_OUTPUT 1)
set_target_properties(trilib_static PROPERTIES CLEAN_DIRECT_OUTPUT 1)
# 设置动态库的版本号
set_target_properties(trilib PROPERTIES VERSION ${PROJECT_VERSION} SOVERSION ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR})
# 设置库文件的输出地址
set(LIBRARY_OUTPUT_PATH ${PROJECT_BINARY_DIR}/lib)

set(CONFIG_FILE_PATH lib/cmake/${PROJECT_NAME})

configure_package_config_file(${PROJECT_SOURCE_DIR}/${PROJECT_NAME}Config.cmake.in 
	${CMAKE_BINARY_DIR}/${PROJECT_NAME}Config.cmake
	INSTALL_DESTINATION ${CONFIG_FILE_PATH}
	NO_CHECK_REQUIRED_COMPONENTS_MACRO)

write_basic_package_version_file(${CMAKE_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
        VERSION ${PROJECT_VERSION}
        COMPATIBILITY SameMajorVersion)

# 库的安装命令
if(WIN32)
	install(TARGETS trilib DESTINATION lib)
	install(TARGETS trilib_static DESTINATION lib)
else()
	install(TARGETS trilib trilib_static
	EXPORT ${PROJECT_NAME}Targets
		LIBRARY DESTINATION lib
		ARCHIVE DESTINATION lib)
	install(EXPORT ${PROJECT_NAME}Targets
	    DESTINATION ${CONFIG_FILE_PATH})
	install(FILES
        ${CMAKE_BINARY_DIR}/${PROJECT_NAME}Config.cmake
        ${CMAKE_BINARY_DIR}/${PROJECT_NAME}ConfigVersion.cmake
        DESTINATION ${CONFIG_FILE_PATH})
endif()
# 头文件安装命令
install(FILES lib/triangle.h DESTINATION include)


# 设置可执行文件的输出地址
set(EXECUTABLE_OUTPUT_PATH ${PROJECT_BINARY_DIR}/bin)

# 以下为可执行命令行工具的编译
# 添加可执行文件
add_executable(triangle ${TRILIB_SRC})
# 命令行工具安装命令
install(TARGETS triangle RUNTIME DESTINATION sbin)
# 对于Linux系统需要连接数学库-lm
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux")
	target_link_libraries(triangle PUBLIC m)
endif()

# 设定源文件文件夹
aux_source_directory(tool SHOWME_SRC)
if(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Linux")
	# 还没弄好
elseif(${CMAKE_HOST_SYSTEM_NAME} STREQUAL "Darwin")
	# 设置X11的地址
	include_directories(/opt/homebrew/include)
	# 链接动态库
	find_library(X_LIBRARY X11 /opt/homebrew/lib)

	# 添加可执行文件
	add_executable(showme_triangle ${SHOWME_SRC})
	target_link_libraries(showme_triangle PUBLIC ${X_LIBRARY})

	# 命令行工具安装命令
	install(TARGETS showme_triangle RUNTIME DESTINATION sbin)
else()
	# 设置X11的地址
	include_directories(/opt/X11/include)
	# 链接动态库
	find_library(X_LIBRARY X11 /opt/X11/lib)

	# 添加可执行文件
	add_executable(showme_triangle ${SHOWME_SRC})
	target_link_libraries(showme_triangle PUBLIC ${X_LIBRARY})

	# 命令行工具安装命令
	install(TARGETS showme_triangle RUNTIME DESTINATION sbin)
endif()

# 以下部分为例子程序的编译
# 添加可执行文件
add_executable(tricall sample/tricall.cxx)
# 为安装文件添加动态库的搜索地址 在Windows下并没有什么用 直接忽略
set_target_properties(tricall PROPERTIES INSTALL_RPATH ${CMAKE_INSTALL_PREFIX}/lib)
# 链接动态库
target_link_libraries(tricall PUBLIC trilib)
